If your new tune file is a stock, original, unchanged tune, it likely still has "VATS" enabled (Vehicle Anti Theft System). Your file needs to be cracked open and have VATS, among quite a few other things, turned off. I use a program called Tuner Pro RT to edit my tunes though there are others. See picture below with a view of a different BIN file than yours but the basic idea is the same.The VATS area is at the top of the parameter tree.
Rick
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